Last year’s event drew 3,000 attendees, and organizers are expecting an even larger turnout in 2016. (Andrew Burton/Getty Images)

Thousands of city kids can explore a future in computer science with hands-on activities at the NYC Geek Street Fair on Thursday in Union Square Park.

The event, hosted by Google, is designed to get youngsters excited about science, technology, engineering and math — known as STEM. It brings together technology companies, community-based organizations, museums and content creators.

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Last year's fair in Manhattan's Meatpacking District drew more than 3,000 kids. Organizers expect those numbers to grow with the more central Union Square location.

Participants can watch a Minecraft robot create structures and try to construct their own using JavaScript, discover light-up origami design with illuminated paper creatures and learn to hone their STEM skills through golf — along with other activities.